| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.giraph.block_app.framework.block; |
| |
| |
| import java.util.Arrays; |
| |
| import org.apache.giraph.block_app.framework.piece.Piece; |
| import org.apache.giraph.function.Supplier; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| public class TestIfBlock { |
| |
| private static final Supplier<Boolean> TRUE_SUPPLIER = new Supplier<Boolean>() { |
| @Override |
| public Boolean get() { |
| return true; |
| } |
| }; |
| |
| private static final Supplier<Boolean> FALSE_SUPPLIER = new Supplier<Boolean>() { |
| @Override |
| public Boolean get() { |
| return false; |
| } |
| }; |
| |
| @Test |
| // Test short-circuiting the if -> then |
| public void testIfBlockThen() throws Exception { |
| Piece piece1 = new Piece(); |
| Piece piece2 = new Piece(); |
| Block ifBlock = new IfBlock( |
| TRUE_SUPPLIER, |
| new SequenceBlock(piece1, piece2) |
| ); |
| |
| BlockTestingUtils.testIndependence( |
| Arrays.asList(piece1, piece2), |
| ifBlock); |
| Assert.assertFalse(ifBlock.getPieceCount().isKnown()); |
| } |
| |
| @Test |
| // Test short-circuiting the if -> else |
| public void testIfBlockElse() throws Exception { |
| Piece piece1 = new Piece(); |
| Piece piece2 = new Piece(); |
| Block ifBlock = new IfBlock( |
| FALSE_SUPPLIER, |
| new EmptyBlock(), |
| new SequenceBlock(piece1, piece2) |
| ); |
| |
| BlockTestingUtils.testIndependence( |
| Arrays.asList(piece1, piece2), |
| ifBlock); |
| Assert.assertFalse(ifBlock.getPieceCount().isKnown()); |
| } |
| |
| @Test |
| public void testIfNestedInRepeat() throws Exception { |
| Piece piece1 = new Piece(); |
| Piece piece2 = new Piece(); |
| Block ifBlock = new IfBlock( |
| TRUE_SUPPLIER, |
| new SequenceBlock(piece1, piece2) |
| ); |
| |
| BlockTestingUtils.testNestedRepeatBlock( |
| Arrays.asList(piece1, piece2), |
| ifBlock); |
| Assert.assertFalse(ifBlock.getPieceCount().isKnown()); |
| } |
| |
| @Test |
| public void testIfThenElsePieceCount() { |
| Piece piece1 = new Piece(); |
| Piece piece2 = new Piece(); |
| Block ifBlock = new IfBlock( |
| TRUE_SUPPLIER, |
| piece1, |
| piece2 |
| ); |
| Assert.assertTrue(ifBlock.getPieceCount().isKnown()); |
| Assert.assertEquals(1, ifBlock.getPieceCount().getCount()); |
| } |
| } |